Optical measuring machines and instruments, namely, optical apparatus for determining total dissolved solids in a liquid solution; refractometers, computerized refractometers, refractometers that communicate with portable information handling systems; software for use with optical measuring apparatus to determine the total dissolved solids in a liquid solution, information handling systems comprised of computing devices that communicate with optical measuring machines, portable information handling systems comprised of computing devices that wirelessly communicate with optical measuring machines

'apparatus':8,35 'communic':23,54,69 'compris':49,63 'comput':51,65 'computer':19 'determin':10,37 'devic':52,66 'dissolv':12,40 'handl':27,47,61 'inform':26,46,60 'instrument':5 'liquid':16,44 'machin':3,58,73 'measur':2,34,57,72 'name':6 'optic':1,7,33,56,71 'portabl':25,59 'refractomet':18,20,21 'softwar':29 'solid':13,41 'solut':17,45 'system':28,48,62 'total':11,39 'use':31 'wireless':68

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